CN1072359C - 检测输入信号电平的方法和装置 - Google Patents

检测输入信号电平的方法和装置 Download PDF

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Publication number
CN1072359C
CN1072359C CN94190902A CN94190902A CN1072359C CN 1072359 C CN1072359 C CN 1072359C CN 94190902 A CN94190902 A CN 94190902A CN 94190902 A CN94190902 A CN 94190902A CN 1072359 C CN1072359 C CN 1072359C
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CN
China
Prior art keywords
signal
level
input signal
filter
level detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN94190902A
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English (en)
Chinese (zh)
Other versions
CN1116464A (zh
Inventor
劳伦斯·埃德温·康奈尔
马克·约瑟夫·卡利考特
威廉·约瑟夫·罗克诺
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Motorola Solutions Inc
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Motorola Inc
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Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of CN1116464A publication Critical patent/CN1116464A/zh
Application granted granted Critical
Publication of CN1072359C publication Critical patent/CN1072359C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
CN94190902A 1993-11-09 1994-10-17 检测输入信号电平的方法和装置 Expired - Fee Related CN1072359C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14948193A 1993-11-09 1993-11-09
US08/149,481 1993-11-09

Publications (2)

Publication Number Publication Date
CN1116464A CN1116464A (zh) 1996-02-07
CN1072359C true CN1072359C (zh) 2001-10-03

Family

ID=22530475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94190902A Expired - Fee Related CN1072359C (zh) 1993-11-09 1994-10-17 检测输入信号电平的方法和装置

Country Status (12)

Country Link
US (1) US6023191A (enExample)
JP (1) JP3232568B2 (enExample)
KR (1) KR0179412B1 (enExample)
CN (1) CN1072359C (enExample)
AU (1) AU683506B2 (enExample)
BR (1) BR9405747A (enExample)
CA (1) CA2152497C (enExample)
FR (1) FR2713848A1 (enExample)
GB (1) GB2289132B (enExample)
RU (1) RU2171007C2 (enExample)
WO (1) WO1995013655A1 (enExample)
ZA (1) ZA948521B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0806050B1 (en) * 1995-01-24 1999-01-13 International Business Machines Corporation Raster demodulation apparatus and method
GB9601885D0 (en) * 1996-01-31 1996-04-03 Wolfson Ltd Compandors
DE19630416C1 (de) * 1996-07-26 1997-10-23 Sgs Thomson Microelectronics SC-Filter mit intrinsischer Anti-Aliasing-Funktion sowie damit ausgerüsteter Audiosignalprocessor
GB2324161B (en) * 1997-04-09 2001-11-28 Motorola Israel Ltd Method and apparatus for detecting peaks of a signal
KR200153217Y1 (ko) * 1997-05-08 1999-08-02 윤종용 디스플레이장치의 광대역 수평 사이즈 조절회로
KR100299139B1 (ko) * 1997-12-31 2001-11-14 윤종용 데시메이션여파기장치및방법
TW427053B (en) * 1999-03-10 2001-03-21 Nat Science Council Low voltage switched capacitor integrator having offset voltage compensation and the filter using the same
US6337645B1 (en) * 1999-03-23 2002-01-08 Microsoft Corporation Filter for digital-to-analog converters
US6937912B1 (en) 1999-04-16 2005-08-30 Orban, Inc. Anti-aliased clipping by band-limited modulation with step functions
FR2819600B1 (fr) * 2001-01-16 2003-04-11 Thomson Csf Procede et dispositif de generation d'un signal aleatoire a histogramme et spectre controles
US6891429B1 (en) * 2002-12-18 2005-05-10 Cypress Semiconductor Corporation Switched capacitor filter
GB2423429B (en) * 2003-10-10 2007-04-25 That Corp Low-power integrated-circuit signal processor with wide dynamic range
US6972620B2 (en) 2004-02-19 2005-12-06 Optical Communication Products, Inc. Post amplifier array integrated circuit
US7477079B2 (en) * 2004-09-10 2009-01-13 Cirrus Logic, Inc. Single ended switched capacitor circuit
GB0725111D0 (en) 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Lower rate emulation
EP2370800B1 (en) 2008-12-22 2022-01-26 S.P.M. Instrument AB An analysis system
EP4024013B1 (en) 2008-12-22 2025-02-19 S.P.M. Instrument AB An analysis system
WO2010074648A1 (en) 2008-12-22 2010-07-01 S.P.M. Instrument Ab An analysis system
EP4530597A3 (en) 2008-12-22 2025-04-09 S.P.M. Instrument AB An analysis system
US9964430B2 (en) 2009-05-05 2018-05-08 S.P.M. Instrument Ab Apparatus and a method for analyzing the vibration of a machine having a rotating part
SE535559C2 (sv) 2010-01-18 2012-09-25 Spm Instr Ab Förfarande och anordning för analys av tillståndet hos maskin med roterande del
EA027452B1 (ru) 2011-07-14 2017-07-31 С.П.М. Инструмент Аб Способ и система для выполнения анализа состояния вращающейся части машины
US9491008B2 (en) * 2014-07-11 2016-11-08 Rambus Inc. On-chip AC coupled receiver with real-time linear baseline-wander compensation
CN104868856B (zh) * 2015-05-28 2018-03-23 北京凌阳益辉科技有限公司 一种非线性反馈电路及集成放大电路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429281A (en) * 1979-12-05 1984-01-31 Fujitsu Limited Integrator for a switched capacitor-filter
EP0424331A1 (en) * 1989-10-16 1991-04-24 MARELLI AUTRONICA S.p.A. A MOS integrated circuit with switched capacitors, having a full-wave-rectifying and integrating function

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480338A (en) * 1982-03-01 1984-10-30 Zenith Electronics Corporation Lowpass-highpass electronic switch
NL8202687A (nl) * 1982-07-05 1984-02-01 Philips Nv Decimerende filterinrichting.
JPS6397021A (ja) * 1986-10-13 1988-04-27 Mitsubishi Electric Corp 圧縮装置
JPS6413144A (en) * 1987-07-06 1989-01-18 Fuji Photo Film Co Ltd Photopolymerizable composition
US4837619A (en) * 1987-10-28 1989-06-06 North American Philips Corporation Scan rate conversion apparatus and method
JPH01143513A (ja) * 1987-11-30 1989-06-06 Matsushita Electric Ind Co Ltd 信号レベル圧縮，伸長装置
JPH04143513A (ja) * 1990-10-04 1992-05-18 Takagi Ind Co Ltd 燃焼器具からの排ガスの屋内流出による危険防止方法
DE4039670A1 (de) * 1990-12-12 1992-06-17 Siemens Ag Kompressionsverstaerker mit offsetkompensation in schalter/kondensator-technik (sc-technik)
US5264804A (en) * 1992-02-05 1993-11-23 Kabushiki Kaisha Toshiba Lowpass filter with improved D.C. offset performance
US5289059A (en) * 1992-06-05 1994-02-22 Nokia Mobile Phones, Ltd. Switched capacitor decimator
US5245299A (en) * 1992-06-15 1993-09-14 Motorola, Inc. Compandor with DC-coupled compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429281A (en) * 1979-12-05 1984-01-31 Fujitsu Limited Integrator for a switched capacitor-filter
EP0424331A1 (en) * 1989-10-16 1991-04-24 MARELLI AUTRONICA S.p.A. A MOS integrated circuit with switched capacitors, having a full-wave-rectifying and integrating function

Also Published As

Publication number Publication date
FR2713848B1 (enExample) 1997-02-28
JP3232568B2 (ja) 2001-11-26
AU8079494A (en) 1995-05-29
RU2171007C2 (ru) 2001-07-20
ZA948521B (en) 1995-06-26
GB2289132A (en) 1995-11-08
AU683506B2 (en) 1997-11-13
GB2289132B (en) 1997-06-18
WO1995013655A1 (en) 1995-05-18
CN1116464A (zh) 1996-02-07
FR2713848A1 (fr) 1995-06-16
US6023191A (en) 2000-02-08
JPH08505949A (ja) 1996-06-25
GB9513639D0 (en) 1995-09-06
CA2152497C (en) 1999-01-12
CA2152497A1 (en) 1995-05-18
BR9405747A (pt) 1995-12-05
KR0179412B1 (en) 1999-04-01

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